A week ago (as I write this) Manchester United looked imperious and unassailable at the top of the Premier League. Two straight defeats and the story is quite different. While they still hold a lead in the Premier League, a Liverpool win tomorrow would cut that back to one point. The real story is not arithmetical, however, but psychological. Liverpool, on the back of convincing wins against Man United and Real Madrid, will take fresh confidence from their rivals' defeat at Fulham today, and revitalise their belief that they can still win the title. Chelsea, having lost to Tottenham today, failed to capitalise on their opportunity to close the gap.